B23B 2228/00
Properties of materials of tools or workpieces, materials of tools or workpieces
Official title: Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner
B23B2228/00 (Properties of materials of tools or workpieces, materials of tools or workpieces) appears on 685 US grants and 796 published applications in this corpus.
Search patents in B23B- Granted patents
- 685
- Published applications
- 796
- Assignees
- 252
- Inventors
- 1,091
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 1 |
| 2002 | 1 | 12 |
| 2003 | 6 | 8 |
| 2004 | 9 | 16 |
| 2005 | 5 | 11 |
| 2006 | 9 | 19 |
| 2007 | 8 | 19 |
| 2008 | 13 | 24 |
| 2009 | 13 | 34 |
| 2010 | 16 | 22 |
| 2011 | 13 | 19 |
| 2012 | 14 | 19 |
| 2013 | 13 | 13 |
| 2014 | 19 | 25 |
| 2015 | 14 | 25 |
| 2016 | 21 | 48 |
| 2017 | 36 | 72 |
| 2018 | 43 | 45 |
| 2019 | 43 | 54 |
| 2020 | 48 | 55 |
| 2021 | 42 | 60 |
| 2022 | 69 | 44 |
| 2023 | 27 | 42 |
| 2024 | 35 | 48 |
| 2025 | 49 | 36 |
| 2026 | 23 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B23B 2228/10CoatingsIndexing code486
- B23B 2228/04Applied by chemical vapour deposition [cvd]Indexing code104
- B23B 2228/36Multi-layeredIndexing code80
- B23B 2228/08Applied by physical vapour deposition [pvd]Indexing code72
- B23B 2228/24Hard, i.e. after being hardenedIndexing code30
- B23B 2228/28SoftIndexing code21
- B23B 2228/16Shape memory alloysIndexing code17
- B23B 2228/61Materials comprising whiskersIndexing code17
All 16 subgroupsShow fewer
- B23B 2228/44Materials having grain size less than 1 micrometreIndexing code13
- B23B 2228/12AbrasiveIndexing code12
- B23B 2228/52Solid lubricantsIndexing code8
- B23B 2228/41Highly conductiveIndexing code7
- B23B 2228/56Two phase materialsIndexing code6
- B23B 2228/21Cast, i.e. in the form of a castingIndexing code2
- B23B 2228/48Self-luminous, i.e. light-emittingIndexing code2
- B23B 2228/32ExplosiveIndexing code1
Recent patents
- Cutting tool29 Sep 2026US 12,746,603 B2Sumitomo Electric Industries, Ltd.
- Machining apparatus for optical lenses, and manufacturing system having the same8 Sep 2026US 12,728,460 B2Optotech, Inc.
- Cutting tools23 Jun 2026US 12,661,717 B2Sumitomo Electric Hardmetal Corp.
- Coated tool and cutting tool23 Jun 2026US 12,661,718 B2KYOCERA Corporation
- Systems and methods for removing undesired metal within vias from printed circuit boards23 Jun 2026US 12,666,539 B2TTM Technologies, Inc.
- Cutting tool1 Oct 2026US 2026/0295681 A1Sumitomo Electric Hardmetal Corp.
- Systems and methods for removing undesired metal within vias from printed circuit boards1 Oct 2026US 2026/0304635 A1TTM Technologies North America, LLC
- Coated cutting tool3 Sep 2026US 2026/0257279 A1Tungaloy Corporation
- Vibration damped cutter holder27 Aug 2026US 2026/0249363 A1National Chung Hsing University
- Cemented carbide, coated cemented carbide, and tool having the same27 Aug 2026US 2026/0250806 A1Tungaloy Corporation
Most cited
By later US patents
- Reinforced ceramic cutting tools130US 4,961,757 AAdvanced Composite Materials Corporation · 1990
- Non-impact keyless chuck108US 5,125,673 A1992
- Drill bits97US 5,464,068 A1995
- Drilling tool93US 6,012,881 AKomet Praezisionswerkzeuge Robert Breuning GmbH · 2000
- Multilayer coated cemented carbide cutting insert87US 4,984,940 AKennametal Inc. · 1991